438780860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{22877}}^1$

素因数の和:23030

約数の個数: 48

約数和(自身を含む): 1060807104

約数和(自身を除く): 622026244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 3836, 4795, 9590, 19180, 22877, 45754, 91508, 114385, 160139, 228770, 320278, 457540, 640556, 800695, 1601390, 3134149, 3202780, 6268298, 12536596, 15670745, 21939043, 31341490, 43878086, 62682980, 87756172, 109695215, 219390430, 438780860]

約数ペア:

[(1, 438780860), (2, 219390430), (4, 109695215), (5, 87756172), (7, 62682980), (10, 43878086), (14, 31341490), (20, 21939043), (28, 15670745), (35, 12536596), (70, 6268298), (137, 3202780), (140, 3134149), (274, 1601390), (548, 800695), (685, 640556), (959, 457540), (1370, 320278), (1918, 228770), (2740, 160139), (3836, 114385), (4795, 91508), (9590, 45754), (19180, 22877)]